same day shipping clock icon
free shipping box icon
price tag icon

Sierra 18-2170 Shift Arm Screw Replaces 10-8M0084649

In Stock - Ships Today
Order within and your order ships today!
List Price: $2.49
Starting At: $1.89
You save $0.60

Earn Captains Club Points Learn More



Sierra 18-2170 Mercruiser Shift Arm Screw

Sierra replacement shift arm screw for Mercruiser Stern Drives.

Interchangeable with:

  • GLM
    • 21750
  • Mercruiser Stern Drive
    • 10-45590
    • 10-8M0084649

California Residents: warning sign WARNING Cancer and Reproductive Harm -




Google Product Type:
Engine Parts
Product MPN:
Product UPC:


Sierra 18-2161 Shift Arm Replaces 45518A3
List Price: $32.57
Now: $22.80

Sierra 18-2161 Shift Arm for Mercruiser Stern Drives Sierra high-quality engine parts are designed to meet OEM specifications.  Fits MC-I, R, MR, Alpha One & Gen II Interchangeable...

Add to Cart
Sierra 18-2169 Shift Arm Replaces 45589A3
List Price: $92.27
Starting At: $64.59

Sierra 18-2169 Mercruiser Shift Arm Sierra replacement shift arm for Mercruiser Stern Drives. Fits MC-I, R, MR & Alpha One Interchangeable...

Add to Cart
Sierra 18-2248 Shift Cable Assembly Replaces 73723A01
List Price: $79.57
Starting At: $55.70

Sierra 18-2248 Mercruiser Shift Cable Assembly Mercruiser #1 Drives S/N 1562900-6225576 for forward installation into bell housing. Has new style armored strand construction. (No support...

Add to Cart
Sierra 18-3749 Upper Shift Shaft Replaces 816685
List Price: $84.63
Starting At: $59.24

Mercruiser Upper Shift Shaft by Sierra Fits Alpha Gen 2 (1991-98) Replaces: OEM - 816685 GLM - 21419 Pro Marine - 86685  

Add to Cart
Sierra 18-2322 Shift Shaft Replaces 621041
List Price: $61.93
Now: $43.35

Sierra 18-2322 Mercruiser Shift Shaft Sierra high-quality engine parts are designed to meet OEM specifications. For 1 and Alpha 1 Drives. Interchangeable with: GLM 21421 Mercruiser Stern...

Add to Cart
Sierra 18-2100K Seal & Bearing Kit
List Price: $81.78
Starting At: $57.25

Seal and Gimbal Bearing Kit  Greasable Contains: Heavy Duty Gimbal Bearing: 18-2100 Oil Seal: 18-2094 Fits: 1/R/MR and Alpha (1974-97) Replaces: Mallory 9-72426 

Add to Cart
Sierra 18-21005K Seal & Bearing Kit
List Price: $104.06
Now: $79.08

Sierra 18-21005K Seal and Gimbal Bearing Kit for Mercruiser Engines Fits: Gen II (1998-Up) All Bravo  Contains: Oil Seal 18-2094 Gimbal...

Add to Cart
Sierra 18-2753-2 Shift Cable Bellows Replaces 74639A2
List Price: $15.82
Now: $11.07

Mercruiser Shift Cable Bellows by Sierra Used on all #1, #2 units, Alpha, Alpha Gen II and Bravo I, II, III Includes 18-7321 Clamp Replaces: Mercruiser 74639A2,74639,31659 Mallory 9-72705 GLM ...

Add to Cart
Sierra 18-2614 Outdrive Gasket Set Replaces 27-64818Q4
List Price: $6.10
Starting At: $4.64

Mercruiser Pre-Alpha Outdrive Gasket Set by Sierra For Mercruiser Pre Alpha Sterndrives 1967-1982 Kit Includes: Sie-18-2820 Drive Shaft Housing To Bell Housing Gasket Sie-18-2840 Bell Housing Gasket...

Add to Cart
Sierra 18-2619-1 Outdrive Gasket Set Replaces 27-94966Q2
List Price: $7.90
Now: $6.00

Sierra 18-2619-1 Mercruiser Outdrive Gasket Set Sierra high quality engine parts are designed to meet or exceed OEM requirements. For Mercruiser R, MR, Alpha and Alpha One Gen II Outdrives (1983 and...

Add to Cart